DEVELOPMENT OF MEASURES FOR THE PROTECTION OF CUTTING SEEDLINGS OF FRUIT MOTHER TREES AGAINST AGENTS OF BARK DISEASES ArticleGolovin S.E., Pavlova A.Y., Jura N.Y., Jura A.S.Вестник Хакасского государственного университета им. Н.Ф. Катанова. 2019. С. 20-25